./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3804d0a192f5a2112e31895b0bddee4dad38b32b4eea44b6f412da08ad9146bc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:46:09,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:46:09,340 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-26 10:46:09,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:46:09,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:46:09,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:46:09,387 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:46:09,388 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:46:09,389 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:46:09,394 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:46:09,394 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:46:09,395 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:46:09,396 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:46:09,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:46:09,398 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:46:09,398 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:46:09,399 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:46:09,399 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:46:09,400 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:46:09,401 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:46:09,401 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:46:09,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:46:09,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:46:09,403 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:46:09,403 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-26 10:46:09,404 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:46:09,404 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:46:09,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:46:09,405 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:46:09,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:46:09,407 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:46:09,408 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:46:09,408 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:46:09,408 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:09,409 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:46:09,409 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:46:09,409 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:46:09,410 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:46:09,410 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:46:09,410 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:46:09,411 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:46:09,411 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:46:09,411 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:46:09,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:46:09,412 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3804d0a192f5a2112e31895b0bddee4dad38b32b4eea44b6f412da08ad9146bc [2023-11-26 10:46:09,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:46:09,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:46:09,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:46:09,773 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:46:09,774 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:46:09,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br.c [2023-11-26 10:46:12,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:46:13,118 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:46:13,119 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/sv-benchmarks/c/recursified_nla-digbench/recursified_prod4br.c [2023-11-26 10:46:13,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/data/5ed800f46/6b59aea3d4a44be9b5e71400ec21e2ee/FLAGcaf8621d4 [2023-11-26 10:46:13,146 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/data/5ed800f46/6b59aea3d4a44be9b5e71400ec21e2ee [2023-11-26 10:46:13,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:46:13,157 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:46:13,162 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:13,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:46:13,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:46:13,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:13" (1/1) ... [2023-11-26 10:46:13,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ad8090a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:13, skipping insertion in model container [2023-11-26 10:46:13,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:13" (1/1) ... [2023-11-26 10:46:13,206 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:46:13,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:13,430 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:46:13,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:13,476 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:46:13,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:13 WrapperNode [2023-11-26 10:46:13,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:13,479 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:13,479 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:46:13,479 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:46:13,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:13" (1/1) ... [2023-11-26 10:46:13,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:13" (1/1) ... [2023-11-26 10:46:13,519 INFO L138 Inliner]: procedures = 16, calls = 87, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 86 [2023-11-26 10:46:13,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:13,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:46:13,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:46:13,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:46:13,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:13" (1/1) ... [2023-11-26 10:46:13,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:13" (1/1) ... [2023-11-26 10:46:13,538 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:13" (1/1) ... [2023-11-26 10:46:13,574 INFO L175 MemorySlicer]: Split 57 memory accesses to 7 slices as follows [2, 15, 9, 15, 7, 5, 4]. 26 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 16 writes are split as follows [0, 4, 4, 4, 2, 1, 1]. [2023-11-26 10:46:13,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:13" (1/1) ... [2023-11-26 10:46:13,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:13" (1/1) ... [2023-11-26 10:46:13,591 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:13" (1/1) ... [2023-11-26 10:46:13,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:13" (1/1) ... [2023-11-26 10:46:13,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:13" (1/1) ... [2023-11-26 10:46:13,598 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:13" (1/1) ... [2023-11-26 10:46:13,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:46:13,604 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:46:13,604 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:46:13,604 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:46:13,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:13" (1/1) ... [2023-11-26 10:46:13,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:13,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:13,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:13,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:46:13,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:46:13,685 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_32_to_51_0 [2023-11-26 10:46:13,686 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_32_to_51_0 [2023-11-26 10:46:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:46:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:46:13,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-26 10:46:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-26 10:46:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-11-26 10:46:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2023-11-26 10:46:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2023-11-26 10:46:13,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:46:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:46:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:46:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-26 10:46:13,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-11-26 10:46:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-11-26 10:46:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2023-11-26 10:46:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2023-11-26 10:46:13,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:46:13,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:46:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:46:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:46:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-26 10:46:13,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-11-26 10:46:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-11-26 10:46:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2023-11-26 10:46:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2023-11-26 10:46:13,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-26 10:46:13,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-26 10:46:13,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:46:13,808 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:46:13,811 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:46:14,401 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:46:14,441 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:46:14,444 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:46:14,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:14 BoogieIcfgContainer [2023-11-26 10:46:14,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:46:14,448 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:46:14,449 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:46:14,452 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:46:14,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:46:13" (1/3) ... [2023-11-26 10:46:14,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2793346f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:14, skipping insertion in model container [2023-11-26 10:46:14,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:13" (2/3) ... [2023-11-26 10:46:14,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2793346f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:46:14, skipping insertion in model container [2023-11-26 10:46:14,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:14" (3/3) ... [2023-11-26 10:46:14,458 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_prod4br.c [2023-11-26 10:46:14,477 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:46:14,478 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2023-11-26 10:46:14,529 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:46:14,536 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2b06e80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:46:14,537 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2023-11-26 10:46:14,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 63 states have (on average 1.8412698412698412) internal successors, (116), 106 states have internal predecessors, (116), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-26 10:46:14,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-26 10:46:14,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:14,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:14,550 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_32_to_51_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_32_to_51_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_32_to_51_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 40 more)] === [2023-11-26 10:46:14,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:14,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1094706741, now seen corresponding path program 1 times [2023-11-26 10:46:14,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:14,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313636101] [2023-11-26 10:46:14,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:14,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:14,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:46:14,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313636101] [2023-11-26 10:46:14,816 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 10:46:14,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1268147399] [2023-11-26 10:46:14,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:14,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:14,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:14,821 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:14,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:46:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:46:15,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:46:15,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:46:15,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:46:15,028 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:46:15,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1268147399] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:46:15,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:46:15,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:46:15,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161905420] [2023-11-26 10:46:15,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:46:15,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:46:15,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:46:15,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:46:15,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:46:15,084 INFO L87 Difference]: Start difference. First operand has 113 states, 63 states have (on average 1.8412698412698412) internal successors, (116), 106 states have internal predecessors, (116), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:46:15,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:46:15,156 INFO L93 Difference]: Finished difference Result 224 states and 254 transitions. [2023-11-26 10:46:15,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:46:15,159 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-26 10:46:15,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:46:15,169 INFO L225 Difference]: With dead ends: 224 [2023-11-26 10:46:15,170 INFO L226 Difference]: Without dead ends: 110 [2023-11-26 10:46:15,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:46:15,183 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:46:15,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:46:15,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-11-26 10:46:15,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2023-11-26 10:46:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 62 states have (on average 1.7903225806451613) internal successors, (111), 104 states have internal predecessors, (111), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-26 10:46:15,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 119 transitions. [2023-11-26 10:46:15,246 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 119 transitions. Word has length 7 [2023-11-26 10:46:15,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:46:15,247 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 119 transitions. [2023-11-26 10:46:15,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 10:46:15,249 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 119 transitions. [2023-11-26 10:46:15,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-26 10:46:15,249 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:46:15,250 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:46:15,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-26 10:46:15,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 10:46:15,456 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting func_to_recursive_line_32_to_51_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [func_to_recursive_line_32_to_51_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, func_to_recursive_line_32_to_51_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 40 more)] === [2023-11-26 10:46:15,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:46:15,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1037448439, now seen corresponding path program 1 times [2023-11-26 10:46:15,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:46:15,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483179746] [2023-11-26 10:46:15,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:15,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:46:15,502 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:46:15,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1588655850] [2023-11-26 10:46:15,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:46:15,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:15,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:15,504 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:46:15,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:46:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:15,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:46:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:46:15,717 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:46:15,717 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:46:15,719 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location func_to_recursive_line_32_to_51_0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2023-11-26 10:46:15,721 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2023-11-26 10:46:15,721 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2023-11-26 10:46:15,721 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2023-11-26 10:46:15,722 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2023-11-26 10:46:15,722 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2023-11-26 10:46:15,723 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2023-11-26 10:46:15,723 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2023-11-26 10:46:15,724 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2023-11-26 10:46:15,724 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2023-11-26 10:46:15,726 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2023-11-26 10:46:15,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2023-11-26 10:46:15,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2023-11-26 10:46:15,744 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2023-11-26 10:46:15,745 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2023-11-26 10:46:15,746 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err15ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2023-11-26 10:46:15,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2023-11-26 10:46:15,747 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err17ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2023-11-26 10:46:15,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err18ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2023-11-26 10:46:15,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err19ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2023-11-26 10:46:15,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err20ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2023-11-26 10:46:15,751 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err21ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2023-11-26 10:46:15,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err22ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2023-11-26 10:46:15,752 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err23ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2023-11-26 10:46:15,753 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err24ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2023-11-26 10:46:15,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err25ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2023-11-26 10:46:15,754 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err26ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2023-11-26 10:46:15,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err27ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2023-11-26 10:46:15,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err28ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2023-11-26 10:46:15,759 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err29ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2023-11-26 10:46:15,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err30ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2023-11-26 10:46:15,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err31ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2023-11-26 10:46:15,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err32ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2023-11-26 10:46:15,760 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err33ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2023-11-26 10:46:15,761 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err34ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2023-11-26 10:46:15,762 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err35ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2023-11-26 10:46:15,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err36ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2023-11-26 10:46:15,763 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location func_to_recursive_line_32_to_51_0Err37ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2023-11-26 10:46:15,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2023-11-26 10:46:15,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2023-11-26 10:46:15,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2023-11-26 10:46:15,764 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2023-11-26 10:46:15,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:46:15,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:46:16,003 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-26 10:46:16,007 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:46:16,027 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-26 10:46:16,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-26 10:46:16,031 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-26 10:46:16,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-26 10:46:16,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-26 10:46:16,032 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-26 10:46:16,046 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:46:16 BoogieIcfgContainer [2023-11-26 10:46:16,046 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:46:16,047 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:46:16,047 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:46:16,048 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:46:16,048 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:46:14" (3/4) ... [2023-11-26 10:46:16,049 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-26 10:46:16,058 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-26 10:46:16,059 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-26 10:46:16,059 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-26 10:46:16,060 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2023-11-26 10:46:16,060 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-26 10:46:16,060 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-26 10:46:16,097 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:46:16,098 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:46:16,099 INFO L158 Benchmark]: Toolchain (without parser) took 2941.30ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 112.6MB in the beginning and 152.0MB in the end (delta: -39.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:46:16,099 INFO L158 Benchmark]: CDTParser took 1.41ms. Allocated memory is still 109.1MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:46:16,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.34ms. Allocated memory is still 157.3MB. Free memory was 112.1MB in the beginning and 100.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-26 10:46:16,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.35ms. Allocated memory is still 157.3MB. Free memory was 100.4MB in the beginning and 99.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:46:16,101 INFO L158 Benchmark]: Boogie Preprocessor took 82.64ms. Allocated memory is still 157.3MB. Free memory was 99.0MB in the beginning and 95.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:46:16,102 INFO L158 Benchmark]: RCFGBuilder took 841.08ms. Allocated memory is still 157.3MB. Free memory was 95.8MB in the beginning and 117.3MB in the end (delta: -21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-26 10:46:16,102 INFO L158 Benchmark]: TraceAbstraction took 1598.27ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 116.5MB in the beginning and 154.0MB in the end (delta: -37.5MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2023-11-26 10:46:16,103 INFO L158 Benchmark]: Witness Printer took 50.62ms. Allocated memory is still 188.7MB. Free memory was 154.0MB in the beginning and 152.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:46:16,106 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.41ms. Allocated memory is still 109.1MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.34ms. Allocated memory is still 157.3MB. Free memory was 112.1MB in the beginning and 100.4MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.35ms. Allocated memory is still 157.3MB. Free memory was 100.4MB in the beginning and 99.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.64ms. Allocated memory is still 157.3MB. Free memory was 99.0MB in the beginning and 95.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 841.08ms. Allocated memory is still 157.3MB. Free memory was 95.8MB in the beginning and 117.3MB in the end (delta: -21.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1598.27ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 116.5MB in the beginning and 154.0MB in the end (delta: -37.5MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. * Witness Printer took 50.62ms. Allocated memory is still 188.7MB. Free memory was 154.0MB in the beginning and 152.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 53]: integer overflow possible integer overflow possible We found a FailurePath: [L99] int x; [L100] int y; [L101] int a; [L102] int b; [L103] int p; [L104] int q; [L105] x = __VERIFIER_nondet_int() [L106] y = __VERIFIER_nondet_int() [L107] EXPR \read(y) [L107] CALL assume_abort_if_not(y >= 1) [L23] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L107] RET assume_abort_if_not(y >= 1) [L108] EXPR \read(x) [L108] a = x [L109] EXPR \read(y) [L109] b = y [L110] p = 1 [L111] q = 0 [L112] CALL func_to_recursive_line_32_to_51_0(&a, &b, &y, &x, &q, &p) VAL [a={10:0}, b={4:0}, p={8:0}, q={11:0}, x={9:0}, y={12:0}] [L53] \read(*q) [L53] EXPR \read(*a) [L53] EXPR \read(*b) VAL [a={10:0}, a={10:0}, b={4:0}, b={4:0}, p={8:0}, p={8:0}, q={11:0}, q={11:0}, x={9:0}, x={9:0}, y={12:0}, y={12:0}] [L53] (*a) * (*b) VAL [a={10:0}, a={10:0}, b={4:0}, b={4:0}, p={8:0}, p={8:0}, q={11:0}, q={11:0}, x={9:0}, x={9:0}, y={12:0}, y={12:0}] - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 53]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 64]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 65]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 71]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 72]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 78]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 79]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 83]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 84]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 85]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 113]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 114]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 114]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 113 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 121 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 121 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 181 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-26 10:46:16,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89eb529e-1253-43a8-8a9a-224eb543bd4a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)